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Tag Archives: Alexander Graham Bell
Noises in the Earth
The early telegraph pioneers encountered major problems with cables, so there was a strong incentive for them to minimise the amount of cabling required. Fortunately, the use of an “earth return” meant that one wire (rather than two) was sufficient … Continue reading
Posted in Telecom Ramblings
Tagged 19th century, Alexander Graham Bell, earth return, Samuel Morse, telegraph, telephone
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The First Mobile Phone?
In 1879, Professor David Hughes noticed that a clicking noise occurred in his home-made telephone whenever he used his induction balance. Hughes eventually found that the induction balance had a loose contact, and that the clicking went away when the contact … Continue reading
Posted in Telecom Ramblings
Tagged 19th century, Alexander Graham Bell, David Hughes, mobile, radio, telephone
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Who REALLY Invented the Telephone?
As any quiz enthusiast will tell you, Alexander Graham Bell invented the telephone. He was awarded a patent for the telephone in 1876, and he and his fledgling telephone company successfully defended that patent against more than 600 legal challenges … Continue reading
The First Wireless Telephone
On 3rd June 1880, Alexander Graham Bell transmitted the first wireless telephone message using his newly-invented “Photophone”. The Photophone contained a flexible mirror that vibrated in response to the speaker’s voice. When sunlight was projected on to the mirror, the … Continue reading
Posted in Telecom Ramblings
Tagged 19th century, Alexander Graham Bell, history, photophone, telephone
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Pictures
In April 1892, William Gandell paid £1/11/6 for a book called “Electricity and Magnetism”. The book was almost 1,000 pages long, and described such inventions as the battery, the electric motor, the electric telegraph and the telephone. William Gandell was my … Continue reading
Tagged Alexander Graham Bell, Baudot telegraph, photophone
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Synopsis
Here’s a brief summary of each chapter. Chapter 1: The Birth of an Industry This chapter chronicles the early years of the electric telegraph. It starts with the chaotic scenes in the US congress when – after many setbacks – Samuel … Continue reading
Tagged 19th century, Alec Reeves, Alexander Graham Bell, Almon B. Strowger, analogue, Andrew Wheen, Antonio Meucci, ARPANET, blog, Bob Metcalfe, broadband, bulletin board, cable TV, Charles Morrison, Charles Wheatstone, chat room, Claude Shannon, communications, computer, digital, Domain Name System, Donald Davies, DOT-DASH TO DOT.COM, Elisha Gray, email, Ethernet, fibre optic, Francis Ronalds, GSM, Guglielmo Marconi, harmonic telegraph, Heinrich Hertz, history, instant messaging, Internet, James Clerk Maxwell, malware, mobile, Morse Code, network, next generation networks, Paul Baran, Philip Reis, phone phreaking, podcasting, radio, Robert Kahn, Samuel Morse, search engine, social networking, synopsis, TCP/IP, telecoms, telegraph, telephone, telephone exchange, television, Thomas Edison, transmission, Usenet, Vint Cerf, virtual worlds, WiFi, wiki, William Fothergill Cooke, WiMAX, World Wide Web
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